package jdk.collection;

import java.util.HashMap;
import java.util.Hashtable;
import java.util.LinkedHashMap;
import java.util.Map;

public class LinkedHashMapDemo {

    public static void main(String[] args) {
        LinkedHashMap<String, String> map = new LinkedHashMap<String, String>();
        map.put("name", "luobinjie");
        map.put("sex", "man");
        System.out.println(map);

        map.remove("name");

    }
}
